Sunan Abi Dawud 1426
سنن أبي داود#1426SahihThe aforesaid tradition has been transmitted by Abu Ishaq with the same chain and to the same effect. In the last of this tradition he said:The version has the words: "He would recite the supplication of the witr." He did not mention the words: "I say them in the witr." Abu Dawud said: The name of Abu al-Hawra' is Rabi'ah b. Shaiban
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih
In-book reference: 8:11